NL8004777A - Antenneinstallatie. - Google Patents
Antenneinstallatie. Download PDFInfo
- Publication number
- NL8004777A NL8004777A NL8004777A NL8004777A NL8004777A NL 8004777 A NL8004777 A NL 8004777A NL 8004777 A NL8004777 A NL 8004777A NL 8004777 A NL8004777 A NL 8004777A NL 8004777 A NL8004777 A NL 8004777A
- Authority
- NL
- Netherlands
- Prior art keywords
- antenna installation
- rings
- tunnels
- electrically conductive
- radiation element
- Prior art date
Links
- 238000009434 installation Methods 0.000 title claims description 10
- 230000005855 radiation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT570379A AT379470B (de) | 1979-08-24 | 1979-08-24 | Antenne zur funkversorgung von tunelln |
| AT570379 | 1979-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8004777A true NL8004777A (nl) | 1981-02-26 |
Family
ID=3578723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8004777A NL8004777A (nl) | 1979-08-24 | 1980-08-22 | Antenneinstallatie. |
Country Status (4)
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR959929A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1946-07-31 | 1950-04-07 | ||
| GB1471885A (en) * | 1973-05-23 | 1977-04-27 | Communications Patents Ltd | Leaky cable communication systems |
| AT353325B (de) * | 1977-07-27 | 1979-11-12 | Siemens Ag Oesterreich | Anordnung zur uebertragung von funksignalen |
-
1979
- 1979-08-24 AT AT570379A patent/AT379470B/de not_active IP Right Cessation
- 1979-12-05 DE DE19792948953 patent/DE2948953C2/de not_active Expired
-
1980
- 1980-08-05 CH CH591680A patent/CH655410B/de not_active IP Right Cessation
- 1980-08-22 NL NL8004777A patent/NL8004777A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA570379A (de) | 1985-05-15 |
| DE2948953C2 (de) | 1982-10-21 |
| AT379470B (de) | 1986-01-10 |
| DE2948953A1 (de) | 1981-03-26 |
| CH655410B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1A | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |